Prickles of rose are
Modified leaves
Modified stipules
Exogenous in origin
Endogenous in origin
To remove seed dormancy by mechanically removing the seed coat, is called
Cinchona officinalis belongs to family
Juicy hair-like structures observed in the lemon fruit develop from
Which pair of the following plants represents the condition of modification of stipules into spines?
Unifoliate compound leaf is found in